package day03;

public class IfElseDemo {
    public static void main(String[] args) {









        int score = 180;
        if (score>=0 && score<=100){
            System.out.println("您的成绩"+score+"分是合法成绩");
        }else{
            System.out.println("您的成绩"+score+"分不是合法成绩");
        }




        double price = 400.0;
        if (price>=500){
            price *= 0.8;
        }else{
            price *= 0.9;
        }
        System.out.println("您需要支付"+price+"元");

    }
}
